/*�����˵�*/
#popView{
    /*��൯�����ڵĳ���Բ�ǡ�������ɫ*/
    height: 500px;
    width: 270px;



    /*�����Ű�*/
    position:absolute;
    z-index:2;
    left:-220px;


}
#popView1{
    /*��൯�����ڵĳ���*/
    height: 100%;
    width: 80%;
    /*�����Ű�*/
    position:absolute;
    z-index:2;
    left:52px;
}
.button {
    display: inline-block;
    position: relative;
    margin: 10px;
    padding: 10px;
    text-align: center;
    border-radius: 20px;


}
.green {
    color: #3e5706;
    background: #a5cd4e;

}
#nav_button{
    position: absolute;
    left: 200px;
    top:50%;
}